tolong di bantu,makasih

[tex] \frac{1}{3} \times luas \: alas \: \times \: tinggi \\ = \frac{1}{3} \times s \times s \times t \\ = \frac{1}{3} \times 20 \times 20 \times 24 \\ = 3200 {cm}^{3} \\ semog \: benar[/tex]